Procedure to Upgrade Sony Xperia Sola MT27i to Official Android 4.0.4 ICS Firmware (6.1.1.B.1.10):
- Download Xperia Flashtool from : http://www.flashtool.net/download.php
- Download Xperia Sola MT27i Official Android 4.0.4 ICS Firmware package (6.1.1.B.1.10) from : http://d-h.st/PEX
- Install Flashtool that you’ve just downloaded in your computer to C: –> Flashtool
- move MT27i_6.1.1.B.1.54_India.ftf file into C: –> Flashtool –> Firmwares
- Open Xperia Flashtool. Select Flash option (Black Bolt icon) from the top left corner of the tool
- It will ask you to select either Flashmode or Fastboot mode. Select Flashmode & proceed further by hitting OK button.
- On next screen, Firmware selection window will appear. On left side, select MT27i (version 6.1.1.B.1.10).
- In right side of the tool, tick following 4 options (Caution! Dont tick any other option than 4 mentioned below).
- 1.Wipe data.
- 2.Wipe cache.
- 3.Wipe apps log.
- 4.No final verification.
- Press OK. Wait for Flashtool to prepare firmware installation.
- Now, it will ask you to connect your phone. Before you connect your phone to computer, enter into Flashmode on it. To do so, switch off the phone completely. By holding Volume down key, connect it to PC. If done correctly, you should see a green light on the power.
- After establishing proper connection with the computer, flashing process will start. Firmware installation process may get stuck around 93%, which is normal. It stays there for 20-30 seconds and not more than that.
- Once you get Flashing finished message in Flashtool, remove your phone from PC & wait for it to reboot (It may take more time than usual for booting the device, which is normal. So don’t get panic & be patient).
- There you go! Android 4.0.4 ICS firmware is successfully installed on your Sony Xperia Sola.
